CN211311131U - Organic garbage waste water treatment system - Google Patents
Organic garbage waste water treatment system Download PDFInfo
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- CN211311131U CN211311131U CN201921805054.XU CN201921805054U CN211311131U CN 211311131 U CN211311131 U CN 211311131U CN 201921805054 U CN201921805054 U CN 201921805054U CN 211311131 U CN211311131 U CN 211311131U
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Abstract
The utility model provides an organic waste water treatment system. The system comprises a heat treatment device for heating the organic waste water to denature protein, a first filtering device for filtering the heated organic waste water and obtaining first treated waste water, and a micro-emulsion mixing device for mixing the first treated waste water with an interface active agent and obtaining second treated waste water with micro-emulsion slurry; pressurizing the flotation device to remove the microemulsion slurry and obtain third treated wastewater, filtering the microemulsion slurry and obtain a filter cake by the second filtering device, and filtering the third treated wastewater by the third filtering device and obtain treated wastewater meeting the discharge standard; therefore, the utility model discloses can effectively remove the protein in the organic waste water, reach the efficiency that the water was recycled.
Description
Technical Field
The utility model discloses an organic waste water treatment system can effectively get rid of the organic material in the organic waste water.
Background
Organic waste water refers to waste water containing high amount of organic substances, and can be used for food waste (foodwaste) waste water, waste water generated in food processing, or waste water containing high amount of protein, blood, grease and other wastes which are not easy to remove, such as kitchen waste; organic substances in the organic waste water often act with air, or cause undesirable peculiar smell and are easy to breed mosquitoes due to factors such as microbial fermentation and the like; in addition, waste water containing organic substances is easy to optimize water quality, so that the waste water rich in protein or organic substances is treated before being discharged.
For example, taiwan patent No. TW 201815690(a) discloses a method and an apparatus for treating organic matter-containing waste water, which can efficiently decompose and remove organic matter in waste water containing organic matter and inorganic carbonic acid by ozone; the water to be treated is decarbonated by an inorganic carbonic acid removing device, then hydrogen peroxide is added, ozone-containing gas is further added, and water is passed through a static mixer to perform oxidation treatment of organic matters. Also, taiwan patent No. TW 201540676(a) discloses a method for treating integrated wastewater in food industry, which comprises removing suspended solids from the integrated wastewater; decomposing the organic matter with anaerobic microbe; and finally, performing solid-liquid separation by using a film to obtain the treated water which can be safely discharged or recycled by combining the decomposition of residual organic carbon, ammonia nitrogen, total nitrogen and total phosphorus possibly existing in the anaerobic and aerobic microorganisms.
However, the current wastewater treatment system still has insufficient removal capacity for macromolecular proteins in organic waste wastewater and low aggregation force of proteins and blood water.
SUMMERY OF THE UTILITY MODEL
In view of the shortcomings of the existing organic waste water treatment system, the inventor of the present invention is in the spirit of inexhaustibility of cumin, and assisted by abundant professional knowledge and years of practical experience to improve and develop the present invention.
The utility model discloses a processing system of organic waste water can effectively get rid of protein and organic substance in the organic waste water, reaches the purpose that the water was recycled, in addition the utility model discloses do and obtain containing protein and can be as the byproduct of organic fertilizer or feed supplement.
The organic garbage waste water treatment system of the utility model comprises a heat treatment device which is used for heating organic garbage waste water; a first filtering device for filtering the heated organic waste water to obtain first treated waste water; a microemulsion mixing device for mixing the surfactant and air and introducing the first treated wastewater to generate second treated wastewater having microemulsion slurry containing suspended solids; the pressurizing and floating device is used for introducing high-pressure air into the second treatment wastewater to enable the micro-emulsion slurry in the second treatment wastewater to be coagulated and float upwards, then the floating micro-emulsion slurry is removed by the slag scraper, and third treatment wastewater is obtained; a second filtering device for filtering the microemulsion cytoplasm body to obtain a filter cake; and a third filtering device for filtering the third treated wastewater to obtain treated wastewater meeting the drainable standard.
In an embodiment of the present invention, the first filtering device is a diagonal screening machine.
In one embodiment of the present invention, the surfactant comprises calcium oxide powder.
In one embodiment of the present invention, the calcium oxide powder is oyster shell powder.
In an embodiment of the present invention, the second filtering device is a filter pressing device.
In an embodiment of the present invention, the third filtering device comprises a sieve with a pore size of 0.3 μm to 150 μm.
In one embodiment of the present invention, the screen comprises a hollow fiber filtration membrane or a reverse osmosis filtration membrane.
In an embodiment of the present invention, the apparatus further comprises an ph adjusting device.
In an embodiment of the present invention, the ozone generator further comprises an ozone generator.
In an embodiment of the present invention, the apparatus further comprises an activated carbon filter.
Therefore, the utility model discloses an organic waste water treatment method and system can effectively clear away the protein of food processing waste water, improves the water and recycles to obtain containing protein and can be applied to making organic fertilizer or feed additive, have the efficiency that the discarded object was recycled.
Drawings
FIG. 1 is a flow chart of the organic waste water treatment system of the utility model.
FIG. 2 is a schematic view of the organic waste water treatment system of the present invention.
The main reference numbers:
the device comprises a raw water tank 1, a heat treatment device 2, a first filtering device 3, a micro-emulsion mixing device 4, a pressure flotation device 5, a second filtering device 6, a third filtering device 7, an pH value adjusting device 8, an ozone action device 9, an activated carbon filtering device 10, a first step S1, a second step S2, a third step S3 and a fourth step S4.
Detailed Description
The purpose of the invention and its advantages in terms of structural function will be explained in conjunction with the embodiments according to the structure shown in the drawings, in order to explain the invention more deeply and specifically.
The utility model relates to an organic waste water treatment system can effectively get rid of the protein in the organic waste water to improve the purpose that the water was recycled. The utility model discloses well nominal organic waste water has contained kitchen waste water, has handled the washing waste water after eating the material, the produced waste water of food processing industry and so on, for example the abandonment tissue and the bloody water of animal, the various kitchen wastes or the dumped edible material of being rich in moisture and so on.
Referring to fig. 2, the organic waste water treatment system of the present invention comprises a heat treatment device 2, a first filtering device 3, a micro-emulsion cell mixing device 4, a pressure flotation device 5, a second filtering device 6 and a third filtering device 7.
The steps of the present invention, please refer to fig. 1, includes a step S1 of introducing the organic waste water in the raw water tank 1 into the heat treatment device 2 to heat the organic waste water, wherein the heating temperature is 50-80 ℃, preferably 70 ℃, the purpose of the step is to denature the protein in the organic waste water, degrade the long-chain protein, and also form the low-protein tissue and other substances such as blood into gel liquid, in an embodiment of the present invention, the heat treatment device 2 is a heat exchanger; uniformly heating the organic waste water, and filtering the heated organic waste water by using a first filtering device 3 to remove larger waste lumps, wherein the first filtering device 3 can be an inclined screen machine; when the inclined screening machine is used for filtering, the waste blocks can flow downwards and are concentrated while filtering, the mesh screen of the inclined screening machine is prevented from being blocked by the waste blocks, and the filtered organic waste water is called as first treatment waste water.
Step two S2, in the micro-emulsion mixing device 4, the liquid containing the interface active agent is stirred and mixed with air, and the liquid containing the interface active agent in the embodiment contains 0.03-1% of calcium oxide powder by weight percentage, such as oyster shell powder; then leading the first treated wastewater into a micro-emulsion mixing device 4, fully mixing the first treated wastewater with a liquid containing a surfactant, and generating second treated wastewater with micro-emulsion slurry, wherein the micro-emulsion slurry is in a foam shape and contains suspended solids; the step can separate the suspended solid matters and water in the first treatment wastewater, and the suspended solid matters are gathered in the micro-emulsion cytoplasm to facilitate the subsequent removal of the suspended solid matters; in addition, calcium oxide is an alkaline substance and also has an effect of adjusting the acidity or alkalinity of the first treated wastewater.
And step three S3, introducing the second treated wastewater into the pressurizing and flotation device 5, introducing high-pressure air into the second treated wastewater, then performing a pressure reduction step to separate out supersaturated air in the liquid and form micro-bubbles, wherein the micro-bubbles are combined with the micro-emulsion slurry and float and agglomerate the micro-emulsion slurry, and then scraping the floating micro-emulsion slurry by using a slag scraper to obtain third treated wastewater.
And a fourth step S4 of filtering the scraped micro-emulsion slurry with the second filtering device 6 to obtain a filter cake or sludge, and filtering the third treated wastewater with the third filtering device 7 to obtain treated wastewater meeting the discharge standard.
Wherein, the second filtering device 6 can be a filter pressing device which filters water in the micro-emulsion plasma, and the left filter cake or sludge contains protein and can be used for preparing organic fertilizer or byproducts such as animal feed additives and the like; the third filtering device 7 comprises a sieve with the aperture of 0.3-150 μm, and the sieve can be a hollow fiber filtering membrane, a reverse osmosis filtering membrane or a sieve with equivalent function.
Further, after the third treated wastewater is filtered by the third filtering device 7, the third treated wastewater may be further treated by the pH adjusting device 8, the ozone acting device 9 or the activated carbon filtering device 10 to adjust the pH of the filtered third treated wastewater, for example, to adjust the pH between 5 and 8, thereby achieving the effects of deodorization and decoloration.
Further, the scope of the present invention which can be practically applied is demonstrated by the following specific examples, but is not intended to be limited in any way.
In this embodiment, the blood wastewater generated after food processing is treated by the method and system of the present invention, and the samples before and after treatment are entrusted to south taiwan environmental science and technology limited company for water quality detection, and the biochemical oxygen demand, chemical oxygen demand and oil content of the samples are measured; referring to the test results in table 1, the biochemical oxygen demand, the chemical oxygen demand and the oil content of the treated wastewater all decreased significantly, which indicates that the organic substances contained in the treated wastewater sample are significantly lower than those in the wastewater sample before treatment.
TABLE 1
Then, detect the utility model discloses well filter cake or the mud that obtains after the filter-pressing of microemulsion cell slurry body entrust south taiwan environmental science and technology limited company with filter cake or mud after handling and carry out soil detection, measure heavy metal content wherein, the testing result please see table 2, various heavy metal content in filter cake or the mud are all extremely low, and accord with relevant waste standard, and be rich in a large amount of protein and calcareous in these filter cake or mud, so filter cake or mud after the processing can use as fodder, fertilizer or soil amendment.
TABLE 2
| Inspection item | Check value | Inspection item | Check value |
| Mercury | ND | Cadmium (Cd) | <0.67mg/kg |
| Arsenic (As) | 1.03mg/kg | Lead (II) | <6.67mg/kg |
| Copper (Cu) | <6.67mg/kg | Zinc | 46.4mg/kg |
| Chromium (III) | 17.2mg/kg | Nickel (II) | 7.33mg/kg |
Furthermore, with the naked eye observation, with the utility model discloses organic waste water after organic waste effluent disposal system handles, its clarity obviously rises, and does not have the visible agglomerate yet, shows the utility model discloses can effectively reach water purification's effect really.
Because the average suspended solid content of the organic waste water, such as kitchen waste water, is between 600 and 1200mg/L, the chemical oxygen demand is 3000-15000 mg/L, the biochemical oxygen demand is 2000 and 4000mg/L, and the average oil content is not lower than 250mg/L, the organic waste water treatment method and the organic waste water treatment system can reach the discharge standard after the treatment, the suspended solid removal filter with the concentration of more than 90 percent, the chemical oxygen demand removal rate with the concentration of more than 91 percent, the biochemical oxygen demand removal rate with the concentration of more than 96 percent and the oil removal rate with the concentration of more than 96 percent can be reached, and the treated kitchen waste water can reach the discharge standard.
To sum up, the organic waste water treatment system disclosed in the present invention first heats the organic waste water by the heat treatment device to denature and coagulate the protein and tissue agglomerates in the organic waste water, and then filters the denatured protein and tissue agglomerates by the first filtering device, such as a diagonal screen; then, the wastewater after the preliminary filtration is mixed with the solution of the surfactant medicament, the surfactant medicament used by the utility model is a liquid containing 0.03 wt% -1 wt% of calcium oxide powder, such as oyster shell powder, so as to separate the suspended substance in the water from the water and generate the microemulsion body containing the suspended solid substance; then a pressurizing and floating device is used for coagulating and floating the microemulsion body so as to remove the floating microemulsion body and remove fine protein or suspended particles; the removed micro-emulsion slurry can be further dehydrated, for example, a filter pressing device is used for removing water, so that a filter cake or sludge containing protein can be obtained, and the filter cake or sludge can be made into organic fertilizer, feed additive or soil conditioner and can be recycled; the liquid after removing the micro-emulsion slurry is further filtered by a second filtering device, for example, a filter screen with the pore diameter of 0.3-150 μm, and the filtered liquid reaches the dischargeable standard and can be directly discharged; if necessary, the filtered liquid can be further treated by an acid-base value adjusting device or an ozone action device or an active carbon filtering device to achieve the purposes of deodorization and decoloration. And according to above-mentioned embodiment, with the utility model discloses an organic waste water after the system is handled, the organic matter that contains really reduces by a wide margin, and the clarity also obviously rises, obviously the utility model discloses really can effectively clear away the organic matter in the waste water, reach the efficiency that the water was recycled.
Claims (10)
1. An organic waste water treatment system, comprising:
the heat treatment device is used for heating the organic garbage wastewater;
a first filtration device for filtering the heated organic waste water to obtain a first treated wastewater;
a microemulsion mixing device connected to the first filtering device and used for mixing an interfacial activity medicament and air, and introducing the first treated wastewater to generate second treated wastewater with microemulsion slurry, wherein the microemulsion slurry contains solid suspended matters;
a pressurized flotation device which is connected with the micro-emulsion mixing device and introduces the second treated wastewater, then introduces high-pressure air into the second treated wastewater to enable the micro-emulsion slurry in the second treated wastewater to coagulate and float, and then removes the floating micro-emulsion slurry by using a slag scraper to obtain third treated wastewater;
a second filtering device for filtering the microemulsion body; and
and a third filtering device for filtering the third treated wastewater to obtain treated wastewater meeting the discharge standard.
2. The organic waste water treatment system of claim 1 wherein the first filtration device is a diagonal screen.
3. The organic waste water treatment system of claim 1 wherein the interfacial active agent is a composition comprising calcium oxide powder.
4. The organic waste water treatment system of claim 3, wherein the calcium oxide powder is oyster shell powder.
5. The organic waste water treatment system of claim 1 wherein the second filtration device is a pressure filtration device.
6. The organic waste water treatment system of claim 1 wherein the third filtration device is a screen comprising a pore size of 0.3 μm to 150 μm.
7. The organic waste water treatment system of claim 6, wherein the screen comprises a hollow fiber filtration membrane or a reverse osmosis filtration membrane.
8. The organic waste water treatment system of claim 1, further comprising a ph adjusting device.
9. The organic waste water treatment system of claim 1, further comprising an ozone action device.
10. The organic waste water treatment system of claim 1, further comprising an activated carbon filter device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921805054.XU CN211311131U (en) | 2019-10-25 | 2019-10-25 | Organic garbage waste water treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921805054.XU CN211311131U (en) | 2019-10-25 | 2019-10-25 | Organic garbage waste water treatment system |
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| Publication Number | Publication Date |
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| CN211311131U true CN211311131U (en) | 2020-08-21 |
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| CN201921805054.XU Active CN211311131U (en) | 2019-10-25 | 2019-10-25 | Organic garbage waste water treatment system |
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| CN (1) | CN211311131U (en) |
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